package com.ear.orange.controller;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.ear.orange.common.Result;
import com.ear.orange.dto.SetmealDto;
import com.ear.orange.entity.Category;
import com.ear.orange.entity.Setmeal;
import com.ear.orange.service.CategoryService;
import com.ear.orange.service.SetmealService;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.cache.annotation.CacheEvict;
import org.springframework.cache.annotation.Cacheable;
import org.springframework.web.bind.annotation.*;

import java.util.List;
import java.util.stream.Collectors;

/**
 * 套餐管理
 */

@RestController
@RequestMapping("/setmeal")
@Slf4j
public class SetmealController {

    @Autowired
    private SetmealService setmealService;

    @Autowired
    private CategoryService categoryService;

    /**
     * 新增套餐
     *
     * @param setmealDto
     * @return
     */
    @PostMapping
    //删除setmealCache分类下的所有缓存，默认是false,要设置成true
    @CacheEvict(value = "setmealCache", allEntries = true)
    public Result<String> save(@RequestBody SetmealDto setmealDto) {
        log.info("套餐信息：{}", setmealDto);

        setmealService.saveWithDish(setmealDto);

        return Result.success("新增套餐成功");
    }

    /**
     * 套餐分页查询
     *
     * @param page
     * @param pageSize
     * @param name
     * @return
     */
    @GetMapping("/page")
    public Result<Page> page(int page, int pageSize, String name) {
        //构造分页构造器
        Page<Setmeal> pageInfo = new Page<>(page, pageSize);
        Page<SetmealDto> dtoPage = new Page<>();

        LambdaQueryWrapper<Setmeal> queryWrapper = new LambdaQueryWrapper<>();
        //添加查询条件,根据name进行like模糊查询
        queryWrapper.like(name != null, Setmeal::getName, name);
        //添加排序条件
        queryWrapper.orderByDesc(Setmeal::getUpdateTime);

        setmealService.page(pageInfo, queryWrapper);

        //对象拷贝
        BeanUtils.copyProperties(pageInfo, dtoPage, "records");
        List<Setmeal> records = pageInfo.getRecords();

        List<SetmealDto> list = records.stream().map((item) -> {
            SetmealDto setmealDto = new SetmealDto();
            //对象拷贝
            BeanUtils.copyProperties(item, setmealDto);
            //分类id
            Long categoryId = item.getCategoryId();
            //根据分类id查询分类对象
            Category category = categoryService.getById(categoryId);
            if (category != null) {
                //分类名称
                String categoryName = category.getName();
                setmealDto.setCategoryName(categoryName);
            }
            return setmealDto;
        }).collect(Collectors.toList());

        dtoPage.setRecords(list);
        return Result.success(dtoPage);
    }

    /**
     * 根据条件查询套餐数据
     *
     * @param setmeal
     * @return
     */
    @GetMapping("/list")
    @Cacheable(value = "setmealCache", key = "#setmeal.categoryId + '_' + #setmeal.status")
    public Result<List<Setmeal>> list(Setmeal setmeal) {
        //构造查询条件
        LambdaQueryWrapper<Setmeal> queryWrapper = new LambdaQueryWrapper<>();
        queryWrapper.eq(setmeal.getCategoryId() != null, Setmeal::getCategoryId, setmeal.getCategoryId());
        //添加条件，查询状态为1（起售状态）的菜品
        queryWrapper.eq(setmeal.getStatus() != null, Setmeal::getStatus, 1);

        //添加排序条件
        queryWrapper.orderByDesc(Setmeal::getUpdateTime);

        //执行查询
        List<Setmeal> list = setmealService.list(queryWrapper);

        return Result.success(list);
    }

    /**
     * 停售起售套餐
     *
     * @param ids
     * @return
     */
    @PostMapping("/status/{status}")
    public Result<String> statusWithIds(@PathVariable("status") Integer status, @RequestParam("ids") List<Long> ids) {
        log.info("售卖状态：{},ids:{}", status, ids);
        Setmeal setmeal = new Setmeal();
        for (Long setmealId : ids) {
            setmeal.setId(setmealId);
            setmeal.setStatus(status);
            setmealService.updateById(setmeal);
        }
        return Result.success("修改售卖状态成功");
    }


    /**
     * 删除套餐
     *
     * @param ids
     * @return
     */
    @DeleteMapping
    @CacheEvict(value = "setmealCache", allEntries = true)
    /**
     * 删除setmealCache分类下的所有缓存，默认是false,要设置成true
     */
    public Result<String> delete(@RequestParam List<Long> ids) {
        log.info("ids:{}", ids);

        setmealService.removeWithDish(ids);

        return Result.success("套餐数据删除成功");
    }

}
